What was found
AFTER T/O LANDING GEAR WOULD NOT RETRACT. THIS WAS CONFIRMED ON OVHD PANEL AS WELL. INTERROGATED MTP AND GOT 28V GEAR PWR SUPPLY 1 LOSS. INTERROGATED MTP AND GOT 28V GEAR POWER SUPPLY 1 LOSS LOGGED AND LIKEWISE FOUND RELAYS & RETRACT CONTROL C/B OF MLG PROX DETECTOR POPPED OUT. FOLLOWED T/S PER TSM 32-30-00 FIG 109 AND RESET SAID C/B, NO POPPING OUT AND UNABLE TO DUPLICATE THIS TIME. PERFORMED NORMAL EXTENSION AND RETRACTION ADJ/TEST USING MLG SAFETY RELAY SIMULATOR TEST SET AND DUPLICATED POPPING OF C/B IN FLIGHT CONFIGURATION. FURTHER T/S FOUND MLG CONTROL MODULE DEFECTIVE. R & R MLG CONTROL MODULE PER MM32-31-11. PERFORMED OPS TEST PER MM 32-31-00-5, SATISFACTORYAND NO C/B POPPING OUT NOTICED ON BOTH SYSTEM 1 & 2.